Karn, Legacy Reforged's power and toughness are each equal to the greatest mana value among artifacts you control. At the beginning of your upkeep, add {C} for each artifact you control. This mana can't be spent to cast nonartifact spells. Until end of turn, you don't lose this mana as steps and phases end.
NM-Mint Foil - $75.10
Lightly Played Foil - $71.40
Moderately Played Foil - $67.60
Heavily Played Foil - $60.10
Damaged Foil - $48.80
NM-Mint Foil Non English - $75.10
Lightly Played Foil Non English - $71.40
Moderately Played Foil Non English - $67.60
Heavily Played Foil Non English - $60.10
Damaged Foil Non English - $48.80